The tip jar would allow users to give small amounts of money to pages or people they like. If a user is happy with a business or service they have used via Facebook they would then be able to show their appreciate with a tip, an upgrade on the like button.

The possible new addition was spotted by The Verge when they saw a Facebook survey that was looking at a broad range of ways the site could enable users to make money or promote a cause.

The article also revealed Facebook was asking for opinions on enabling users to earn money through branded content, a sponsor marketplace, a donate option, a call to action button and revenue sharing.

The tip jar aspect could be of interest to businesses. Small businesses could profit from users happy with products they buy tipping the company via their Facebook profile.